Keystones — Bedrock
Five GCSE retrieval questions · 20 April 2026 · mathsvault.uk/keystones
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1. Number Simplifying fractions
Simplify: 21⁄15
Answer: 7⁄5 -
2. Algebra Next term in a sequence
Find the next term: 9, 17, 25, 33, ...
Answer: 41 -
3. Geometry Properties of polygons
What is the sum of interior angles in a triangle?
Answer: 180° -
4. Ratio Sharing in a ratio
Share 126 in the ratio 4:3
Answer: 72 and 54 -
5. Statistics Median
Find the median of: 11, 14, 10, 7, 14
Answer: 11